The A11Y Project vs Pa11y

Compare The A11Y Project and Pa11y on the same questions, with pricing terms and sources shown where they are known.

The A11Y Project

Community-driven resources and guidance to make digital accessibility easier for designers, developers, and organizations

View The A11Y Project

Pa11y

Free, open source accessibility testing tools for developers and designers to identify and fix web accessibility issues

View Pa11y

Comparison table

Unknown means no reliable value is stored, not that a feature is missing.

Facts compared for The A11Y Project and Pa11y
QuestionThe A11Y ProjectPa11y
Pricing modelSame for bothFreeFree
Free planSame for bothYesYes
PlatformsSame for bothWebWeb
Listed featuresDiffers
  • WCAG Checklist
  • Self-Paced Workshops
  • Educational Videos
  • Resource Library
  • Community Directory
  • Command-Line Testing
  • Automated Daily Testing
  • Progress Tracking
  • JSON Webservice API
  • CI Integration

Pricing and limits

Plans can differ in scope, region and billing terms, so compare plan names rather than assuming equivalence.

The A11Y Project

Free plan: Yes

Subscriptions

  • Listed price: Free

Pricing verification date unknown.

Pa11y

Free plan: Yes

Subscriptions

  • Listed price: Free

Pricing verification date unknown. A check was attempted on Sep 22, 2026 but no value was found; that does not verify the prices.

Related pages